Changepoint employs 230, seven of them in Detroit. Uniface employs 112, five in Detroit. The personal services unit employs 912, of which 621 are in Detroit. All are expected to keep their jobs, according to Lisa Elkin, Compuware's vice president of investor relations and communications.

Paul has told analysts in recent teleconference calls and reporters that he wanted to sell noncore businesses and concentrate on what is called application performance management. This Compuware service monitors and manages thousands of applications, many of them cloud-based, for more than 5,000 customers around the world.